--- a/common/radio_global.h	Fri Jun 11 13:38:32 2010 +0300
+++ b/common/radio_global.h	Fri Jun 25 19:09:05 2010 +0300
@@ -36,6 +36,14 @@
  */
 const int MAXIMUM_VOLUME_LEVEL = 20;
 
+/**
+ * Default volume level that is used when no previous setting exists
+ */
+const int DEFAULT_VOLUME_LEVEL = 4;
+
+/**
+ * Roles used when interacting with the radio station model
+ */
 namespace RadioRole
 {
     enum Role